The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the What is the directory structure for the texts? FAQ for information about file content and naming conventions.
"Most of the substance of this little book constituted the two Cutter lectures on preventive medicine and hygiene, which were given at the Harvard medical school, April 25 and 26, 1918, under the title 'Industrial efficiency and the war."